private void cmdStartAcq_Click(object eventSender, System.EventArgs eventArgs) /* Handles cmdStartAcq.Click */
{
cmdStartAcq.Enabled = false;
cmdStartAcq.Visible = false;
cmdStopConvert.Enabled = true;
cmdStopConvert.Visible = true;
// Parameters:
// LowChan :first A/D channel of the scan
// HighChan :last A/D channel of the scan
// Count :the total number of A/D samples to collect
// Rate :per channel sampling rate ((samples per second) per channel)
// Range :the gain for the board
// FileName :the filename for the collected data values
// Options :data collection options
int Count = NumPoints;
string FileName = txtFileName.Text; // a full path may be required here
int Rate = 50000;
int LowChan = 0;
int HighChan = 1;
MccDaq.ScanOptions Options = MccDaq.ScanOptions.Default;
MccDaq.Range Range = MccDaq.Range.Bip5Volts; // set the range
string DataCount = NumPoints.ToString("0");
lblAcqStat.Text = "Collecting " + DataCount + " data points";
lblShowRate.Text = Rate.ToString("0");
lblShowLoChan.Text = LowChan.ToString("0");
lblShowHiChan.Text = HighChan.ToString("0");
lblShowOptions.Text = Options.ToString();
lblShowGain.Text = Range.ToString();
lblShowFile.Text = FileName;
lblShowCount.Text = Count.ToString("0");
lblShowPreTrig.Text = "Not Applicable";
Application.DoEvents();
// Collect the values with Collect the values by calling MccDaq.MccBoard.FileAInScan()
MccDaq.ErrorInfo ULStat = DaqBoard.FileAInScan(LowChan, HighChan, Count, ref Rate, Range, FileName, Options);
if (ULStat.Value == MccDaq.ErrorInfo.ErrorCode.BadFileName)
{
MessageBox.Show("Enter the name of the file to create in text box.", "Bad File Name", 0);
cmdStopConvert.Enabled = false;
cmdStopConvert.Visible = false;
cmdStartAcq.Enabled = true;
cmdStartAcq.Visible = true;
txtFileName.Focus();
return;
}
// show how many data points were collected
short FileLowChan;
short FileHighChan;
int TotalCount;
int PretrigCount;
ULStat = MccDaq.MccService.FileGetInfo(FileName, out FileLowChan, out FileHighChan, out PretrigCount, out TotalCount, out Rate, out Range);
lblReadRate.Text = Rate.ToString("0");
lblReadLoChan.Text = FileLowChan.ToString("0");
lblReadHiChan.Text = FileHighChan.ToString("0");
lblReadOptions.Text = Options.ToString();
lblReadGain.Text = Range.ToString();
lblReadFile.Text = FileName;
lblReadTotal.Text = TotalCount.ToString("0");
lblReadPreTrig.Text = PretrigCount.ToString("0");
}
